Let's see... both could be green... both could be soft and mushy...
ah, I've got it. One is MUCH more likely to be eaten by a 6-year-old.
Both are slimy when wet. And you shouldn't eat either of...
Broccolini is a hybrid of broccoli and Chinese kale. Sprouting broccoli is the side shoots of the broccoli plant ,which grow after the main head has been taken off.